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Northumberland Strait

Warnings

Forecast

Marine Forecast

Issued 03:00 AM ADT 21 June 2025

Today Tonight and Sunday.

Strong wind warning in effect.

Wind westerly 25 knots diminishing to northwest 15 near noon and to light this evening. Wind becoming southerly 10 to 15 Sunday morning.

Scattered showers ending near noon. Scattered showers Sunday afternoon and evening.

Extended Forecast

Issued 03:00 AM ADT 21 June 2025
Monday Wind variable 10 to 15 knots.
Tuesday Wind southwesterly 15 to 20 knots.
Wednesday Wind southwesterly 15 to 20 knots veering to northwest 20.

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Map of Atlantic - Newfoundland marine weather areas Eskasoni (First Nations) Heath Point Bonavista Wreckhouse St.Paul Island Winterland Branch Hill Twillingate Stephenville Airport Burgeo St. Lawrence St. John's Int'l Airport St. Anthony Airport Grates Cove Cape Race Grand Étang Sagona Island North Mountain Port aux Basques Ingonish Beach La Scie Ferolle Point Englee Daniel's Harbour Corner Brook Cartwright Airport East Point West Chedabucto Bay – 44489 Blanc-Sablon Airport East Chedabucto Bay – 44488 Cap Whittle Chevery Banquereau - 44139 Charlottetown Airport Mary's Harbour North Cape Natashquan Airport Argentia J.A. Douglas McCurdy Sydney Airport Berry Hill Long Pond Îles de la Madeleine Airport Miscou Island Marticot Island Pool's Island
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land station Land Station
Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Northumberland Strait

Issued 03:00 AM ADT 21 June 2025

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM ADT 21 June 2025 Today Tonight and Sunday At 3:00 a.m. ADT today low 993 mb located over eastern Anticosti
Island.
By 3:00 a.m. ADT Sunday departing low 996 mb located over Labrador
Sea.

At 3:30 p.m. ADT today ridge located over Quebec.
By 3:00 a.m. ADT Sunday ridge located from Labrador to Georges Bank.

At 3:00 a.m. ADT Sunday approaching low 1000 mb located over
southern Quebec.

Marine Weather Statement

Issued 2:50 AM ADT 21 June 2025 A low pressure system over Eastern Anticosti will continue to move
northeast to lie over the Labrador Sea by tonight. Strong to gale
force west to northwest winds will diminish through the day today.

Marine interests are advised that gale warnings are in effect for
Cabot Strait - northern half, Gulf - Magdalen and Anticosti.

Atlantic - Newfoundland Area

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Marine Weather for Canada

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